192 RECENT OPHIURANS. 



188. S. MURRHINA Lyman, 1878. Bull. M. C. Z., 5, p. 234, pi. 3, f. 55-58. 



243 specimens, including holotype and 3 paratypes. Cuba: off Havana, 

 175 fms. Off St. Cruz, D. W. 1., 115 fms. Off Montserrat, 88-120 fms. Off 

 Guadeloupe, 150 fms. Off Martinique, 96-191 fms. Off St. Lucia, 116^22 

 fms. Off St. Vincent, 88-174 fms. Off Carriacou, 163 fms. Off Cannouan, 

 127 fms. Off Grenada, 170-262 fms. Off Barbados, 106 fms. 



Ophioholcus,^ gen. nov. 



Type-species: Sigsbeia sexradiata Koehler, 1914. Bull. 84 U. S. N. M., p. 135. 



This genus is well distinguished by the furrow on the lower surface of the 

 arms which accompanies the absence of all but the first two or three under arm- 

 plates. In other respects, it is very near Ophiochondrella. 



189. O. SEXRADIATUS (Koehlek). 



Sigsbeia sexradiata Koehler, 1914. Bull. 84 U. S. N. M., p. 135, pi. 17, f. 4, 5. 



3 specimens. Off Martinique, 334-357 fms. 



Ophioplus. 



Verrill, 1899. Bull. Univ. Iowa, new ser., 1, no. 6, p. 70. 

 Type-species: Hemieuryale tuberculosa Lyman, 1883. Bull. M. C. Z., 10, p. 276. Monotypic. 



190. O. TUBERCULOSUS (Lyman). 



Hemieuryale tuberculosa Lyman, 1883. Bull. M. C. Z., 10, p. 276, pi. 8, f. 123-127. 

 Ophioplus tuberculosu^ Verrill, 1899. Bull. Univ. Iowa, new ser., 1, no. 6, p. 70. 



7 specimens; holotype and 6 paratypes. Off St. Cruz, D.W. I., 115 fms. 

 Off Martinique, 96 fms. 



Hemieuryale. 



Von Martens, 1867. Monatsb. K.-Preus. akad, wiss. Berlin (Juli), p. 484. 

 Type-species: Hemieuryale pustulata von Martens, 1867. loc. cit. Monotypic. 



191. H. PUSTULATA von Martens, 1867. Monatsb. K.-Preus. akad. wiss. Berlin (Juli), p. 484, 



pi,, f. 2-2b. 



33 specimens. West Indies: off St. Cruz, D. W. I., 115 fms.; off Marti- 

 nique, 96 fms.; off Barbados, 84-125 fms. 



' 0015, snake + 6Xki5s, furrow. 



